(19)
(11) EP 1 908 349 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
28.04.2010 Bulletin 2010/17

(43) Date of publication A2:
09.04.2008 Bulletin 2008/15

(21) Application number: 07115162.5

(22) Date of filing: 29.08.2007
(51) International Patent Classification (IPC): 
A01N 43/80(2006.01)
A01N 25/02(2006.01)
A01N 43/40(2006.01)
A01P 1/00(2006.01)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 21.09.2006 DE 102006045065

(71) Applicants:
  • AIR LIQUIDE SANTE (INTERNATIONAL)
    75007 Paris (FR)

    AT BE BG CH CY CZ DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR 
  • SCHÜLKE & MAYR GMBH
    22851 Norderstedt (DE)

    DE 

(72) Inventors:
  • Beilfuss, Wolfgang
    22339, HAMBURG (DE)
  • Hahn, Gisela
    25486, ALVESLOHE (DE)
  • Weber, Klaus
    20149, HAMBURG (DE)
  • Gradtke, Ralf
    25436, TORNESCH (DE)
  • Siegert, Wolfgang
    25479, ELLERAU (DE)

(74) Representative: Conan, Philippe Claude 
L'Air Liquide SA Département Propriété Intellectuelle 75, quai d'Orsay
75321 Paris Cédex 07
75321 Paris Cédex 07 (FR)

   


(54) Microbicidal preparations based on 1,2-benzisothiazolin-3-one


(57) The invention relates to microbicidal preparations which comprise a) at least one of 1,2-benzisothiazolin-3-one and its derivatives, b) at least one of 2-mercaptopyridine N-oxide, its salts and derivatives and c) at least one alkalinizing agent, or which are prepared by mixing components a) to c), where the preparations have a pH of at least 11. The preparations are characterized by the fact that they are clear and storage-stable, and they are suitable for use as preservatives.





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